Keyboard



FIG. 1 is a front perspective view of a keyboard showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged partial view of FIG. 1; and,

FIG. 9 is an enlarged partial view of FIG. 4.

The dash-dot broken lines showing enlarged partial views of the keyboard in FIG. 1, 4, 8-9 are for annotative purposes only and form not part of the claimed design. 

CLAIM The ornamental design for a keyboard, as shown. 